MLikeWater

@adoroszlai Obtain OM nodes list by using the command `ozone getconf -ozonemanagers`. Please review.

@zhouyifan279 Thanks for support. Ozone inherits the parent Hadoop class and implements: https://github.com/apache/ozone/blob/master/hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/security/OzoneTokenIdentifier.java

In addition to engine logs, Kyuubi Server logs are as follows: ``` 20:05:11.197 INFO org.apache.kyuubi.credentials.HadoopFsDelegationTokenProvider: getting token owned by scm for: ofs://cluster1/ 20:05:11.208 INFO org.apache.kyuubi.credentials.HadoopCredentialsManager: Scheduling renewal in 3600000 ms....

@zhouyifan279 Great 👍

@pan3793 @bowenliang123 Thanks for your support. Different data lake technologies may have different metadata tables. It is possible to judge whether it is a Iceberg or Hudi table from the...

> why not just grant select privilege to the user who access `testdb.iceberg_tbl.history`? @yaooqinn The Iceberg metadata tables, such as history or snapshots, are not stored in Hive metastore, so...

Personally, for the Iceberg and Hudi storage formats, the permissions should be simplified when accessing the metadata on the table, that is, the permissions to judge the table metadata depend...